本文整理匯總了Python中aiokafka.client.AIOKafkaClient._wait_on_metadata方法的典型用法代碼示例。如果您正苦於以下問題：Python AIOKafkaClient._wait_on_metadata方法的具體用法？Python AIOKafkaClient._wait_on_metadata怎麽用？Python AIOKafkaClient._wait_on_metadata使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類aiokafka.client.AIOKafkaClient的用法示例。
在下文中一共展示了AIOKafkaClient._wait_on_metadata方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: AIOKafkaProducer
# 需要導入模塊: from aiokafka.client import AIOKafkaClient [as 別名]
# 或者: from aiokafka.client.AIOKafkaClient import _wait_on_metadata [as 別名]
#.........這裏部分代碼省略.........
yield from self._sender.start()
self._message_accumulator.set_api_version(self.client.api_version)
self._producer_magic = 0 if self.client.api_version < (0, 10) else 1
log.debug("Kafka producer started")
@asyncio.coroutine
def flush(self):
"""Wait untill all batches are Delivered and futures resolved"""
yield from self._message_accumulator.flush()
@asyncio.coroutine
def stop(self):
"""Flush all pending data and close all connections to kafka cluster"""
if self._closed:
return
self._closed = True
# If the sender task is down there is no way for accumulator to flush
if self._sender is not None and self._sender.sender_task is not None:
yield from asyncio.wait([
self._message_accumulator.close(),
self._sender.sender_task],
return_when=asyncio.FIRST_COMPLETED,
loop=self._loop)
yield from self._sender.close()
yield from self.client.close()
log.debug("The Kafka producer has closed.")
@asyncio.coroutine
def partitions_for(self, topic):
"""Returns set of all known partitions for the topic."""
return (yield from self.client._wait_on_metadata(topic))
def _serialize(self, topic, key, value):
if self._key_serializer:
serialized_key = self._key_serializer(key)
else:
serialized_key = key
if self._value_serializer:
serialized_value = self._value_serializer(value)
else:
serialized_value = value
message_size = LegacyRecordBatchBuilder.record_overhead(
self._producer_magic)
if serialized_key is not None:
message_size += len(serialized_key)
if serialized_value is not None:
message_size += len(serialized_value)
if message_size > self._max_request_size:
raise MessageSizeTooLargeError(
"The message is %d bytes when serialized which is larger than"
" the maximum request size you have configured with the"
" max_request_size configuration" % message_size)
return serialized_key, serialized_value
def _partition(self, topic, partition, key, value,
serialized_key, serialized_value):
if partition is not None:
assert partition >= 0
assert partition in self._metadata.partitions_for_topic(topic), \
'Unrecognized partition'
return partition